7x+4x^2=57

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Solution for 7x+4x^2=57 equation:


Simplifying
7x + 4x2 = 57

Solving
7x + 4x2 = 57

Solving for variable 'x'.

Reorder the terms:
-57 + 7x + 4x2 = 57 + -57

Combine like terms: 57 + -57 = 0
-57 + 7x + 4x2 = 0

Factor a trinomial.
(-19 + -4x)(3 + -1x) = 0

Subproblem 1

Set the factor '(-19 + -4x)' equal to zero and attempt to solve: Simplifying -19 + -4x = 0 Solving -19 + -4x = 0 Move all terms containing x to the left, all other terms to the right. Add '19' to each side of the equation. -19 + 19 + -4x = 0 + 19 Combine like terms: -19 + 19 = 0 0 + -4x = 0 + 19 -4x = 0 + 19 Combine like terms: 0 + 19 = 19 -4x = 19 Divide each side by '-4'. x = -4.75 Simplifying x = -4.75

Subproblem 2

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Solution

x = {-4.75, 3}

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